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Re: [Libguestfs] [PATCH 6/6] v2v: nbdkit: Match qemu-img number of parallel coroutines



On Sat, Jan 23, 2021 at 12:45 AM Nir Soffer <nirsof gmail com> wrote:

Here is an example nbdkit output:

hw_id = 'd8635601-ea8b-4c5c-a624-41bd72b862d6'
datacenter = ost
host.id = '9de3098d-89e8-444c-95ed-0fc2ea74e170'
disk.id = '6263dab4-e299-43c4-8f10-9a227b9bed01'
transfer.id = 'fc27844a-00bc-4035-afd6-83c9a456cae4'
using https connection
using 4 connections
using unix socket '\x00/org/ovirt/imageio'
using unix socket '\x00/org/ovirt/imageio'
using unix socket '\x00/org/ovirt/imageio'
using unix socket '\x00/org/ovirt/imageio'
imageio features: flush=True zero=True
unix_socket='\x00/org/ovirt/imageio'max_readers=8 max_writers=8
nbdkit: python[1]: debug: python: open returned handle 0x7f17840016d0
nbdkit: python[1]: debug: python: prepare readonly=0
nbdkit: python[1]: debug: python: get_size
nbdkit: python[1]: debug: python: can_write
nbdkit: python[1]: debug: python: can_zero
nbdkit: python[1]: debug: python: can_fast_zero
nbdkit: python[1]: debug: python: can_trim
nbdkit: python[1]: debug: python: can_fua
nbdkit: python[1]: debug: python: can_flush
nbdkit: python[1]: debug: python: is_rotational
nbdkit: python[1]: debug: python: can_multi_conn
nbdkit: python[1]: debug: python: can_cache
nbdkit: python[1]: debug: python: can_extents
nbdkit: python[1]: debug: newstyle negotiation: flags: export 0xcd
nbdkit: python[1]: debug: newstyle negotiation: NBD_OPT_GO: ignoring
NBD_INFO_* request 3 (NBD_INFO_BLOCK_SIZE)
nbdkit: python[1]: debug: handshake complete, processing requests with 8 threads
nbdkit: debug: starting worker thread python.1
nbdkit: debug: starting worker thread python.4
nbdkit: debug: starting worker thread python.6
nbdkit: debug: starting worker thread python.5
nbdkit: debug: starting worker thread python.0
nbdkit: debug: starting worker thread python.3
nbdkit: debug: starting worker thread python.7
nbdkit: debug: starting worker thread python.2
    (100.00/100%)
nbdkit: python.1: debug: client sent NBD_CMD_DISC, closing connection
nbdkit: python.1: debug: exiting worker thread python.1
nbdkit: python.4: debug: exiting worker thread python.4
nbdkit: python.5: debug: exiting worker thread python.5
nbdkit: python.2: debug: exiting worker thread python.2
nbdkit: python.3: debug: exiting worker thread python.3
nbdkit: python.0: debug: exiting worker thread python.0
nbdkit: python.7: debug: exiting worker thread python.7
nbdkit: python.6: debug: exiting worker thread python.6
nbdkit: virtual copying rate: 6518.0 M bits/sec
python[1]: debug: python: finalize
nbdkit: python[1]: debug: python: close
finalizing transfer fc27844a-00bc-4035-afd6-83c9a456cae4
transfer fc27844a-00bc-4035-afd6-83c9a456cae4 finalized in 2.031 seconds


Example imageio log:

2021-01-23 00:44:38,239 INFO    (Thread-427) [http] OPEN
connection=427 client=local
2021-01-23 00:44:38,240 INFO    (Thread-427) [tickets] [local] ADD
ticket={'dirty': False, 'ops': ['write'], 'size': 6442450944,
'sparse': True, 'transfer_id': 'fc27844a-00bc-4035-afd6-83c9a456cae4',
'uuid': 'ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b', 'timeout': 300, 'url':
'nbd:unix:/run/vdsm/nbd/ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b.sock'}
2021-01-23 00:44:38,240 INFO    (Thread-427) [http] CLOSE
connection=427 client=local [connection 1 ops, 0.000776 s] [dispatch 1
ops, 0.000259 s]
2021-01-23 00:44:38,375 INFO    (Thread-428) [http] OPEN
connection=428 client=local
2021-01-23 00:44:38,376 INFO    (Thread-428) [http] CLOSE
connection=428 client=local [connection 1 ops, 0.000708 s] [dispatch 1
ops, 0.000187 s]
2021-01-23 00:44:39,276 INFO    (Thread-429) [http] OPEN
connection=429 client=::ffff:192.168.122.23
2021-01-23 00:44:39,276 INFO    (Thread-429) [images]
[::ffff:192.168.122.23] OPTIONS
ticket=ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b
2021-01-23 00:44:39,277 INFO    (Thread-429) [backends.nbd] Open
backend address='/run/vdsm/nbd/ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b.sock'
export_name='' sparse=True max_connections=8
2021-01-23 00:44:39,277 INFO    (Thread-429) [backends.nbd] Close
backend address='/run/vdsm/nbd/ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b.sock'
2021-01-23 00:44:39,278 INFO    (Thread-429) [http] CLOSE
connection=429 client=::ffff:192.168.122.23 [connection 1 ops,
0.001338 s] [dispatch 1 ops, 0.000824 s]
2021-01-23 00:44:39,287 INFO    (Thread-430) [http] OPEN
connection=430 client=local
2021-01-23 00:44:39,288 INFO    (Thread-431) [http] OPEN
connection=431 client=local
2021-01-23 00:44:39,289 INFO    (Thread-432) [http] OPEN
connection=432 client=local
2021-01-23 00:44:39,289 INFO    (Thread-433) [http] OPEN
connection=433 client=local
2021-01-23 00:44:39,290 INFO    (Thread-430) [backends.nbd] Open
backend address='/run/vdsm/nbd/ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b.sock'
export_name='' sparse=True max_connections=8
2021-01-23 00:44:39,290 INFO    (Thread-431) [backends.nbd] Open
backend address='/run/vdsm/nbd/ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b.sock'
export_name='' sparse=True max_connections=8
2021-01-23 00:44:39,291 INFO    (Thread-432) [backends.nbd] Open
backend address='/run/vdsm/nbd/ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b.sock'
export_name='' sparse=True max_connections=8
2021-01-23 00:44:39,294 INFO    (Thread-433) [backends.nbd] Open
backend address='/run/vdsm/nbd/ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b.sock'
export_name='' sparse=True max_connections=8
2021-01-23 00:44:40,399 INFO    (Thread-434) [http] OPEN
connection=434 client=local
2021-01-23 00:44:40,401 INFO    (Thread-434) [http] CLOSE
connection=434 client=local [connection 1 ops, 0.001947 s] [dispatch 1
ops, 0.000121 s]
2021-01-23 00:44:43,154 INFO    (Thread-432) [images] [local] FLUSH
ticket=ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b
2021-01-23 00:44:43,155 INFO    (Thread-430) [images] [local] FLUSH
ticket=ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b
2021-01-23 00:44:43,156 INFO    (Thread-433) [images] [local] FLUSH
ticket=ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b
2021-01-23 00:44:43,157 INFO    (Thread-431) [images] [local] FLUSH
ticket=ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b
2021-01-23 00:44:43,158 INFO    (Thread-432) [images] [local] FLUSH
ticket=ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b
2021-01-23 00:44:43,159 INFO    (Thread-430) [images] [local] FLUSH
ticket=ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b
2021-01-23 00:44:43,160 INFO    (Thread-433) [images] [local] FLUSH
ticket=ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b
2021-01-23 00:44:43,161 INFO    (Thread-431) [images] [local] FLUSH
ticket=ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b
2021-01-23 00:44:43,164 INFO    (Thread-431) [backends.nbd] Close
backend address='/run/vdsm/nbd/ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b.sock'
2021-01-23 00:44:43,164 INFO    (Thread-431) [http] CLOSE
connection=431 client=local [connection 1 ops, 3.875194 s] [dispatch
554 ops, 2.995257 s] [zero 62 ops, 0.139778 s, 793.44 MiB, 5.54 GiB/s]
[zero.zero 62 ops, 0.138456 s, 793.44 MiB, 5.60 GiB/s] [write 490 ops,
2.655315 s, 328.25 MiB, 123.62 MiB/s] [write.read 490 ops, 0.570355 s,
328.25 MiB, 575.52 MiB/s] [write.write 490 ops, 2.057818 s, 328.25
MiB, 159.51 MiB/s] [flush 2 ops, 0.000371 s]
2021-01-23 00:44:43,164 INFO    (Thread-433) [backends.nbd] Close
backend address='/run/vdsm/nbd/ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b.sock'
2021-01-23 00:44:43,165 INFO    (Thread-433) [http] CLOSE
connection=433 client=local [connection 1 ops, 3.874932 s] [dispatch
554 ops, 3.111739 s] [zero 67 ops, 0.137024 s, 1.20 GiB, 8.75 GiB/s]
[zero.zero 67 ops, 0.135575 s, 1.20 GiB, 8.84 GiB/s] [write 485 ops,
2.770474 s, 337.38 MiB, 121.78 MiB/s] [write.read 485 ops, 0.537087 s,
337.38 MiB, 628.16 MiB/s] [write.write 485 ops, 2.209982 s, 337.38
MiB, 152.66 MiB/s] [flush 2 ops, 0.000434 s]
2021-01-23 00:44:43,165 INFO    (Thread-430) [backends.nbd] Close
backend address='/run/vdsm/nbd/ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b.sock'
2021-01-23 00:44:43,166 INFO    (Thread-430) [http] CLOSE
connection=430 client=local [connection 1 ops, 3.877590 s] [dispatch
542 ops, 3.105687 s] [zero 78 ops, 0.171958 s, 1.35 GiB, 7.86 GiB/s]
[zero.zero 78 ops, 0.170382 s, 1.35 GiB, 7.93 GiB/s] [write 462 ops,
2.754178 s, 338.25 MiB, 122.81 MiB/s] [write.read 462 ops, 0.565677 s,
338.25 MiB, 597.96 MiB/s] [write.write 462 ops, 2.161230 s, 338.25
MiB, 156.51 MiB/s] [flush 2 ops, 0.000213 s]
2021-01-23 00:44:43,166 INFO    (Thread-432) [backends.nbd] Close
backend address='/run/vdsm/nbd/ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b.sock'
2021-01-23 00:44:43,167 INFO    (Thread-432) [http] CLOSE
connection=432 client=local [connection 1 ops, 3.876394 s] [dispatch
541 ops, 3.029115 s] [zero 70 ops, 0.139170 s, 1.36 GiB, 9.80 GiB/s]
[zero.zero 70 ops, 0.137861 s, 1.36 GiB, 9.90 GiB/s] [write 469 ops,
2.709666 s, 338.56 MiB, 124.95 MiB/s] [write.read 469 ops, 0.539536 s,
338.56 MiB, 627.51 MiB/s] [write.write 469 ops, 2.146016 s, 338.56
MiB, 157.76 MiB/s] [flush 2 ops, 0.000305 s]
2021-01-23 00:44:44,440 INFO    (Thread-435) [http] OPEN
connection=435 client=local
2021-01-23 00:44:44,440 INFO    (Thread-435) [tickets] [local] REMOVE
ticket=ecbcd8a1-eeca-4c1d-97d6-b907a0c3999b
2021-01-23 00:44:44,441 INFO    (Thread-435) [http] CLOSE
connection=435 client=local [connection 1 ops, 0.000628 s] [dispatch 1
ops, 0.000202 s]


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